1975

6.4

2023

7.6

1939

7.1

1961

7.7

1994

7.5

1998

6.2

1975

6.8

1950

6.8

2008

4.5

1958

8.2

1976

7.0

1984

6.5

1937

7.9

1991

6.7

1970

6.3

1972

7.8

1984

7.2

1970

7.7

1956

7.5

2001

6.1